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#299092 - 06/10/21 02:22 AM Re: old timer chat [Re: Chisel]
KenK Offline
"Be Prepared"
Pooh-Bah

Registered: 06/26/04
Posts: 2211
Loc: NE Wisconsin
I use the RealCalc app that acts as an HP reverse polish notation calculator on my Android phone, although my HP 15C calculator purchased in graduate school (mid '80's) still work great.

Once your brain 'gets' RPN it's hard to use old fashioned algebraic calculators.

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#299093 - 06/10/21 12:34 PM Re: old timer chat [Re: KenK]
brandtb Offline
Addict

Registered: 11/26/04
Posts: 514
Loc: S.E. Pennsylvania
Originally Posted By: KenK
I use the RealCalc app that acts as an HP reverse polish notation calculator on my Android phone, although my HP 15C calculator purchased in graduate school (mid '80's) still work great.

Once your brain 'gets' RPN it's hard to use old fashioned algebraic calculators.


As a former CPA I found reverse Polish notation far superior when adding/subtracting columns of numbers.

https://download.cnet.com/Calculator-NET/3000-2053_4-10150008.html
_________________________
Univ of Saigon 68

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#299094 - 06/11/21 12:45 AM Re: old timer chat [Re: KenK]
Doug_Ritter Offline

Pooh-Bah

Registered: 01/28/01
Posts: 2208
Originally Posted By: brandtb
[quote=KenK]I use the RealCalc app that acts as an HP reverse polish notation calculator on my Android phone, although my HP 15C calculator purchased in graduate school (mid '80's) still work great.

Once your brain 'gets' RPN it's hard to use old fashioned algebraic calculators.



YES!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Editor
Equipped To SurviveŽ
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www.KnifeRights.org
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#299095 - 06/11/21 08:33 PM Re: old timer chat [Re: Chisel]
Eugene Offline
Carpal Tunnel

Registered: 12/26/02
Posts: 2997
Mine is a 48sx and droid48 on the phone and x48 on the desktop/laptop

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#299096 - 06/11/21 09:51 PM Re: old timer chat [Re: Chisel]
KenK Offline
"Be Prepared"
Pooh-Bah

Registered: 06/26/04
Posts: 2211
Loc: NE Wisconsin
A company that makes replica (sort of) HP calculators.

https://www.swissmicros.com/products

If you think these are expensive, note that HP 15C's are asking for more than $200 on ebay.

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#299097 - 06/12/21 12:16 AM Re: old timer chat [Re: KenK]
Doug_Ritter Offline

Pooh-Bah

Registered: 01/28/01
Posts: 2208
Originally Posted By: KenK
A company that makes replica (sort of) HP calculators.

https://www.swissmicros.com/products

If you think these are expensive, note that HP 15C's are asking for more than $200 on ebay.


That's cool!
_________________________
Doug Ritter
Editor
Equipped To SurviveŽ
Chairman & Executive Director
Equipped To Survive Foundation
www.KnifeRights.org
www.DougRitter.com

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